Description
Atlas Copco Replacement Air Compressor Oil-Air Separator Filter Element
The WIRES Atlas Copco replacement oil-air separator is a high-efficiency coalescing element designed for the full range of Atlas Copco GA, GA+, GA VSD, and Q-series rotary screw air compressors. It replaces OEM separator cartridges used in the compressor oil-air receiver, separating entrained lubricating oil from the discharged compressed air so that oil carryover is kept below the levels required by Atlas Copco specification. Manufactured from multi-layer micro-glass-fiber media supported by a stainless-steel outer mesh and bonded with flame-retardant epoxy, the element delivers long service life, low initial differential pressure, and stable separation performance across the machine’s operating envelope.
Key Features
- Direct cross-reference fit for Atlas Copco GA11 through GA315 and Q-series screw compressor separator housings, with matched dimensions, seals, and connection geometry.
- Multi-layer coalescing fiberglass media achieves residual oil carryover as low as 2–3 mg/m³ (class 2.4.2 / ISO 8573-1) under rated flow.
- Stainless-steel expanded-metal outer wrap and inner support core prevent media collapse under pulsating compressor flow.
- Bonded end caps with nitrile (NBR) sealing gaskets resist compressor lubricants, temperatures up to 120°C, and oil additives.
- Optimized pleat geometry maximizes effective filtration area, keeping initial pressure drop below 0.05 MPa and extending service interval between scheduled maintenance.
Specifications
| Filtration / separation principle | Depth-loading coalescing fiberglass media |
| Residual oil carryover | ≤ 2–3 mg/m³ at rated flow |
| Initial differential pressure | < 0.05 MPa (0.5 bar) |
| Recommended replacement DPD | 0.15–0.20 MPa |
| Operating temperature | Up to 120°C |
| Outer support cage | Stainless-steel expanded metal |
| End-cap material | Steel / aluminum with NBR gasket |
| Media | Micro-glass-fiber coalescing layer |
| Cross-reference series | Atlas Copco GA11, GA22, GA30, GA37, GA55, GA75, GA90, GA110, GA160, GA200, GA250, GA315; GA VSD+; Q-series |
Cross Reference
This element is interchangeable with standard Atlas Copco separator part numbers used on GA-, GA+-, GA VSD-, and Q-series rotary screw compressors. It also cross-references comparable aftermarket separator elements from mainstream filter brands. WIRES engineers can match your exact OEM part number, dimensions, and seal configuration on request.
Applications
- Rotary screw air compressor rooms in manufacturing plants and workshops
- General industrial compressed-air systems feeding pneumatic tools and actuators
- Automotive component and assembly lines requiring low oil carryover
- Textile, packaging, and woodworking compressed-air networks
- Power generation and chemical-plant instrument air systems
- OEM compressor rebuilders and authorized service workshops
About WIRES Filters
With over 28 years of specialized manufacturing experience, WIRES is a trusted OEM/ODM supplier of industrial filter elements and filtration systems for global B2B markets. Every filter is produced under strict quality control at our ISO-certified production facility, using premium raw materials sourced from trusted global suppliers. We offer full customization — including custom dimensions, media grades, end-cap configurations, and cross-reference matching to all major OEM brands. Our products are exported worldwide to power plants, chemical processing plants, food and beverage facilities, pharmaceutical manufacturers, marine operators, and hydraulic equipment users. Contact our engineering team today to request a quote or discuss your custom filtration requirements.
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